Sour | The Flavor Apprentice (20/50/100ml)
Price range: €3,90 through €14,90 inc. VAT
RY4 Asian | The Flavor Apprentice (20/50/100/250/500ml)
Price range: €3,90 through €63,00 inc. VAT
Smooth | The Flavor Apprentice (20/50/100ml)
Price range: €3,90 through €14,90 inc. VAT
A blending concentrate designed to soften high notes and support background flavours. Contains PG and triacetin; dilute and test in small batches.
Smooth by The Flavor Apprentice is a blending concentrate designed to round out a flavour profile. The manufacturer describes it as softening high notes and bringing background notes forward, making it useful to test when a blend needs a different balance.
Flavour profile
Smooth is intended for use alongside other flavours. Its purpose is to adjust the perceived flavour balance, softening prominent high notes and supporting the background. Some customers report a fruity aspect to the aroma, so it should not be assumed completely neutral or flavourless. These are sensory effects, not a claim that it physically thickens a recipe.
Recipe ideas & pairings
- Tobacco-style blends: compare a small Smooth addition against your original diluted recipe.
- Dessert blends: explore whether it brings background dessert notes forward.
- Complex fruit blends: test cautiously when you want a softer balance between prominent and supporting fruit notes.
- Bakery combinations: compare a version with Smooth when developing a layered bakery flavour profile.
Split a small batch into two samples and add Smooth to only one. Compare them in the same recipe base; softer high notes may be useful in one blend and less desirable in another.
Using the concentrate
Dilute this concentrated, water-soluble blending flavour into a suitable recipe. Make small measured adjustments and compare each change with an untreated sample.
Make a small test batch, measure each addition and mix thoroughly before assessing the result. Record the amount and final batch size so you can reproduce your recipe. Measuring tools help keep small adjustments consistent. For DIY e-liquid, follow a recipe and product-specific suitability guidance; food-use guidance does not establish suitability for inhalation.
Product details
- Manufacturer-listed ingredients: artificial flavourings, propylene glycol and triacetin.
- Water-soluble concentrated flavouring.
- Made by The Flavor Apprentice in the USA.
- Available in 20 ml, 50 ml and 100 ml.
- Rebottled from bulk by Flavour-Concentrates.eu; supplied in our bottles rather than original manufacturer packaging.
Explore more The Flavor Apprentice concentrates for your recipes.
Handling & storage
Dilute before use. Keep the bottle tightly closed in a cool, dry place away from direct sunlight, children and pets. Check the label and batch documentation when dietary restrictions or allergies matter.
Frequently asked questions
Is Smooth a standalone flavour?
The manufacturer describes it as a flavour smoothener for use alongside other flavours.
Is it completely flavourless?
Do not assume that. The manufacturer notes that some customers perceive a fruity aspect to its aroma.
Will it thicken my recipe?
Its described effects concern perceived flavour and mouthfeel. It is not a substitute for ingredients that provide physical thickness or structure.
How should I assess it?
Compare two small samples of the same diluted recipe, adding a measured amount of Smooth to only one. Record the result before scaling up.

